<template>
  <h2>当前求和为: {{num}}</h2>
  <button @click="num++">点我+1</button>

  <hr>
  <h2>当前鼠标的坐标是: x: {{point.x}}, y: {{point.y}}</h2>



</template>

<script setup>

  import {ref} from 'vue';

  import usePoint from '../hooks/usePoint';

  let num = ref(0);

  let point = usePoint();







</script>
